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Add names to ReplaceAll syntax

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This commit is contained in:
Elara 2022-05-21 11:45:30 -07:00
parent a937a67bab
commit 06785bac1a
1 changed files with 6 additions and 2 deletions
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8
pcre.go
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@ -370,7 +370,8 @@ func (r *Regexp) NumSubexp() int {
// regular expression with the replacement text repl.
// Inside repl, $ signs are interpreted as in Expand,
// so for instance $1 represents the text of the first
// submatch.
// submatch and $name would represent the text of the
// subexpression called "name".
func (r *Regexp) ReplaceAll(src, repl []byte) []byte {
matches, err := r.match(src, 0, true)
if err != nil {
@ -388,7 +389,10 @@ func (r *Regexp) ReplaceAll(src, repl []byte) []byte {
replStr := os.Expand(string(repl), func(s string) string {
i, err := strconv.Atoi(s)
if err != nil {
return ""
i = r.SubexpIndex(s)
if i == -1 {
return ""
}
}
// If there given match does not exist, return empty string